... B 16.48Types : Welding Neck flanges , Slip On flanges , Threaded flanges , Socket Welding flanges , Blind flanges , Orifice flanges , ... , DIN 2673Types : Welding Neck flanges , Slip On flanges , Threaded flanges , Socket Welding flanges , Blind flangesPressure Grade : 6 Bar ... 134) , Hubbed Slip On flanges (112) , Hubbed Threaded flanges (113) , Lapped Pipe-end flanges E (133) , Plate Flanges (101) , ...